Floor polishing and vacuum cleaning machine



Oct. 31, 1933.

C. H. BEACH FLOOR POLISHING AND VACUUM CLEANING MACHINE Original Filed April 27, 1929 2 Sheets-Sheet l 0a. 31, 1933. H. BEACH 1,933,492

FLOOR POLISHING AND VACUUM CLEANING MACHINE Original Filed April 27, 1929 2 Sheets-Sheet 2 Patented Get. 31 i933 10R POLISHING AND VACUUM GLEANIN MACHINE Chester H. Beach, Milwaukee, Wis., assignor, by mesne assignments, to S. C. Johnson 8; Son,

Racine, Wis... a iirm Application April 27, 1929, Serial Nb. 358,560 Renewed March 28, 1933 4Claims.

This invention relates to a floor polishing and vacuum cleaning machine.

The invention has as an object to provide a floor polishing and vacuum cleaning machine in which a cylindrical brush arranged in a suction nozzle is readily removable therefrom and replaceable therein.

Another object is to provide a floor polishing and vacuum cleaning machine which is sturdy and compact.

Another object is to provide a floor polishing and vacuum cleaning machine which may be readily and economically manufactured.

According to the invention in its general aspect,

- a floor polishing and vacuum cleaning machine is provided inits suction nozzle with a cylindrical brush which is rotated upon a horizontal axle by a. drive shaft arranged above the brush and with a latch or other means retaining the brush in the nozzle and operable to release the brushand thereby permit it to be readily removed from the nozzle and replaced by another brush.

' The invention is illustrated by the floor polishing and vacuum cleaning machine shown in the accompanying drawings in which the views are as follows:

Fig. 1 is a side view of the machine.

Fig. 2 is a top plan view thereof.

Fig. 3 is a section taken on the line 3-3 of Fig. 2.

Fig. 4 is a section Fig. 2.

Fig. 5 is a detail view of a polishing brush.

, Fig. 6 is a detail view of a sweeping brush.

The floor polishing and vacuum cleaning machine has its mechanism carried by a frame which is formed by a closed motor casing 11, a fan casing 12, and a suction nozzle 13.

The nozzle 13 is is arranged upon the front end of the fan casing 12 and ordinarily formed integral therewith, and the motor casing 11 is attached to the fan casing by screws 14. l The frame is supported at its front end from the floor by two rollers 15 carried by the fan casing 12 and, at its rear end by a castor 16 attached by the motor casing 11.

The motor casing is ordinarily divided into a front part and a rear part which form a tight joint with each other and are connected together in any suitable way.

The motor casing has an electric motor 1'1 arranged therein and provided with a shaft 18 which has a bearing in each end of the motor taken on the line 4-,-4 of casing and in the front of the nozzle 13.

The fan casing has a fan 19 arranged therein upon the shaft 18 which rotates it to draw air through the nozzle 13 and thereby create suction therein.

The air drawn through the nozzle 13 is exhausted from the fan casing 12 through an exhaust pipe 20 which is connected to the fan casing at one side thereof and has a dust bag 21 attached to its outer end to collect dust and other matter carried by the air drawn through the nozzle. y

The nozzle 13 has a cylindrical brush wed therein and carried by a horizontal axle to rotate thereon in contact with the floor.

The brush in the nozzle may be either a sweeping brush, such as that shown in Fig. 6, or a polishing brush, such as that shown in Fig. 5.

The sweeping brush has a cylindrical core 22 which has rows of bristles 23 arranged spirally thereon and a gear 24 arranged intermediate the ends thereof to mesh with a gear 25 carried by the shaft 18.

The nozzle 13 has a slot or seat 26 formed in each end thereof in which a spring latch 27 is arranged to engage the brush axle 28 and rotatably support the brush in operative position.

The brush may be placed in position by inserting the .ends of the axle 28 into the slots 26 and thrusting the same upward until the latches 27 lock the axle in place, and "it may be removed by disengaging the latches and allowing the brush to drop out of the nozzle.

The polishingbrush is interchangeable with the sweeping brush and similar thereto except that the bristles 29 are uniformly distributed around the periphery of the core instead of being arranged in spiral rows.

The nozzleand the brush may be adjusted toward or from the floor by raising or lowering the rear end of the frame by means of the caster 16 which has its socket 30 threaded into a bracket 31 carried by the motor casing 11 and held in adjusted positions by a lock nut 32.

The machine is guided by a handle 33 which is pivoted to the motor casing 11 by a yoke 3 4 and supports the upper end of the dust bag 21.

The motor 17 may be connected in circuit by a conductor 35 which has a' connecting plug 36 for attachment to an outlet receptacle and a switch 37 for controlling the flow of current to the motor.

The machine may be employed as a vacuum cleaner, either with or without the sweeping brush being in place, and the dust and dirt in the article being cleaned are drawn upward by the fan and discharged into the dust bag 21.

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ifi 'hen the machine is employed to polish a floor, the polishing brush is attached and the caster 16 adjusted to apply the required pressure thereto.

The invention herein set forth is susceptible of various modifications without departing from the scope thereof as hereafter claimed.

The invention is hereby claimed as follows:

i. A floor polishing and vacuum cleaning machine, comprising a suction nozzle having a slot in each of its lateral sides, a horizontal cylindrical brush arranged within said nozzle and having its axle seated in said slots, a screw gear fixed upon said brush, a longitudinal driving shaft arranged over said gear, a screw arranged upon said shaft in mesh with said screw gear, an electric motor to drive said shaft, a fan driven by said motor to create suction in said nozzle, and a latch arranged upon each side of said nozzle to retain said brush axle in. said slots and operable to release it therefrom.

2. A. floor polishing and vacuum cleaning machine, comprising a suction nozzle having a seat in=eaeh of its lateral sides, a brush axle arranged in said seats in a horizontal position, a cylindrical hrush carried by said axle to rotate within said nozzle in engagement with the floor, a screw gear fired upon said brush, a longitudinal driving shaft arranged over said gear, a screw. fixed upon said shaft and having said gear in mesh therewith, an

electric motor to drive said shaft, a fan driven by said motor to create suction in said nozzle, and

a latch to retain said brush axle in said seats and to release it therefrom to permit said brush to be readily removed and replaced.

nesacea 3. A floor polishing and vacuum cleaning ma chine, comprising a suction nozzle having a seat in each of its lateral sides, a brush arranged within said nozzle to rotate therein in engagement with the floor and having an axle arranged in said seats, a drive shaft geared to said brush to drive the same and supported above said brush to allow said brush to be readily removed from said nozzle independent of said shaft, a fan to create suction in said nozzle, an electric motor to drive said brush and said fan, and means retaining said axle in said seats and operable to release said axle and permit said brush to be readily removed from said nozzle and replaced by another brush.

4. A floor polishing and vacuum cleaning machine, comprising a suction nozzle, a fan casing formed integral with said nozzle upon the rear thereof and having its rear side open, an electric motor carried by said fan casing and having its casing connected to said fan casing and closing the open rear side thereof, a shaft driven by said motor and having a bearing in the front wall of said nozzle, a fan arranged within said fan casing and driven by said shaft to create suction in said nozzle, a horizontal cylindrical. brush arranged within said nozzle below said shaft and in engagement with the floor and having its axle supported by said nozzle independent of the support for said shaft to permit said brush to he removed from said nozzle independent of said shaft, and gearing connecting said brush to said shaft to enalole said shaft to rotate said prom.

(ll-ESTER H. BEACH. 

